Thanks Oleg, this is a good start for me 2016-05-03 15:47 GMT+02:00 Oleg Bartunov <obartu...@gmail.com>:
> > > On Tue, May 3, 2016 at 3:21 PM, Nicolas Paris <nipari...@gmail.com> wrote: > >> Hello, >> >> Documentation says : ( >> http://www.postgresql.org/docs/9.5/static/textsearch-controls.html#TEXTSEARCH-RANKING >> ) >> "The built-in ranking functions are only examples. You can write your own >> ranking functions and/or combine their results with additional factors to >> fit your specific needs." >> >> The build-in seems not enough for my use case. How to write my own >> ranking functions ? >> >> I would like to create something like ts_rank_cd( tsv, 'foo & bar', >> my_new_normalization_integer) >> >> > you can look on src/backend/utils/adt/tsrank.c and write your own > function. google can help > https://www.google.ru/search?q=how+to+write+c+function+postgresql > > >> ---- >> pg 9.5 >> > >
